Home / 120,414.93-166,165.29-66,696.81

Finding the Fourth Proportional to 120,414.93, 166,165.29 and 66,696.81

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Solution

The fourth proportional to 120,414.93, 166,165.29 and 66,696.81 is: 92,037.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,414.93 : 166,165.29 = 66,696.81 : x
  2. Step 2: Convert to fraction form
    120,414.93/166,165.29 = 66,696.81/x
  3. Step 3: Cross multiply
    120,414.93x = 166,165.29 × 66,696.81
  4. Step 4: Simplify right side
    120,414.93x = 11,082,694,775.72
  5. Step 5: Solve for x
    x = 11,082,694,775.72/120,414.93
  6. Step 6: Final answer
    x = 92,037.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.